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There were 6 articles found in this category:
  1. question101 renewable - solar water pump systems
    There are only two basic types of solar pumps; positive displacement and centrifugal and these can both be subdivided into surface mount and submersible categories. Your water source will dictate whether you need to use a surface mount or submersible pump while your daily volume requirement and ...

  2. question101 renewable - lift and head flow for solar pumps
    Pump manufacturers are documenting the performance of their pumps in several ways: LIFT & HEAD are used to rate the ability to move water vertically while FLOW reflects the quantity of liquid that can be moved in a given amount of time. Liquid Pumps Terminology:~ Discharge Head:~ This is th ...

  3. question101 Renewable - Water Pipes Sizing Chart
    Friction Loss in Plastic Pipe with Standard Inside Diameter (SIDR) THIS CHART APPLIES ONLY TO: PVC pipe, Schedule 40 (160 PSI) and to PE (polyethylene) pipe with SIDR designation (most common 100 PSI black pipe). HEAD LOSS in VERTICAL FEET per HUNDRED FEET of pipe or VERTICAL METERS per HUNDRED ...

  4. question101 renewable - charging sequence procedure for glycol thermal sys.
    Flushing the solar thermal systems:~ Using glycol-based solutions in solar thermal systems it is beneficiary for heat transfer. HTF Glycol based is able to carry more heat than pure water. Usually, at a temperature range of 90F to 212F, glycol solutions behave optimal offering moderate low vapo ...

  5. questionHigh Lifter Application & Installation
    One of the important features of the High Lifter is its large range of application. It can be used to pump water in quantity in applications where there is abundant source water, or it can be used in other situations where the amount of source water is as little as one quart per minute. The 2" ...

  6. questionGrundfos Submersible Pumps Selection
    Use the table below to choose a pump. The left column shows total head in feet and meters. The top row shows array wattage/number and suggested type of modules. Boxes show seasonal pump performance and maximum flow. Select the row with the head (total lift) that most closely matches your applic ...

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